package collection;

import java.util.*;

public class SortPoint {
    public static void main(String[] args) {
        List<Point> list=new ArrayList<>();
        list.add(new Point(5,8));
        list.add(new Point(15,60));
        list.add(new Point(57,89));
        list.add(new Point(1,4));
        list.add(new Point(10,8));
        list.add(new Point(22,35));
        System.out.println("list的原始数据："+list);
        /*Collections.sort(list, new Comparator<Point>() {
            public int compare(Point o1, Point o2) {
                int len1= o1.getX()* o1.getX()+o1.getY()* o1.getY();
                int len2=o2.getX()*o2.getX()+o2.getY()*o2.getY();
                return len1-len2;
                //return o1getX()-o2getX();按X的坐标升序
                //return o1getY()-o2getY();按Y的坐标升序
            }
        });*/




        list.sort(new Comparator<Point>() {
            public int compare(Point o1, Point o2) {
                return o1.getX()-o2.getX();
            }
        });
        System.out.println("升序后："+list);
    }
}
